Missael Hernandez
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How to load variables from Excel into Matlab workspace?
clear close clc aa="a1"; bb="a2"; cc="a3"; dd="a4"; ee="a5"; ff="a6"; gg="a7"; hh="a8"; ii="a9"; jj="a10"; kk="a1...
mehr als 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to convert a large set of variables in the MATLAB workspace into an Excel file?
I want to take my Workspace variables and download them as an Excel file. Here's how I am doing it % Clean your workspace clea...
mehr als 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to convert a large set of variables in the MATLAB workspace into an Excel file?
I want to take my Workspace variables and download them as an Excel file. Here's how I am doing it % Clean your workspace clea...
mehr als 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to download workspace to a .xls file?
I have a hundreds of variables that are defined as strings. For example, a = "hello world" b = "Today is sunny" c = "It is Fr...
mehr als 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to download the workspace into an Excel sheet where I can update a variable in Excel and they update in MATLAB as well?
Suppose I have a generic MATLAB script as follows: A = [1 2 0; 2 5 -1; 4 10 -1]; b = [1;3;5]; x = A\b; r = A*x - b; These v...
mehr als 2 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Can I create and modify variables in an Excel sheet?
Suppose that someone does not have access to MATLAB, but does to Excel. Could they edit a variable in an Excel sheet, send that ...
mehr als 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to find the stiffness matrix in modal analysis.
How do I find the stiffness matrix when I know mass matrix, natural frequencies and mode shapes? I want to find a way by using M...
fast 3 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
How to plot phase portrait given a system of equations
Suppose I have the system represented as How would I plot the phase portriats for A=0.5,1, and 3? I know how to do it if I w...
etwa 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to integrate a function over whose integrand upper limit is defined as an array?
Suppose I have this equation. I am trying to graph vs. for . I have a table of at given values such as I tried integr...
mehr als 3 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
How to superimpose certain indices of matrices.
In FEA, after we have the Global Stiffness Matrix of a Plane Frame Member, we construct and assemble the Plane Frame Structure S...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to superimpose certain indices of two matrices.
Suppose I have matrices K^1 and K^2. I would like to construct a globla stiffness matrix such that wwe add certain indices to co...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Getting a "When simulating the response to a specific input signal, the input data U must be a matrix with as many rows as samples in the time vector T, and as many columns as input channels" error
I have a state space representation of a dynamical system. It 1 input and 3 outputs. I get the following error when I run my cod...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to solve s system of coupled nonlinear ODES already given the state vector
I have a nonlinear dynamical system. I have forund the eqautions of motion, which results in the following state vector: The...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Getting error: Second argument must be a variable or a nonnegative integer specifying the number of differentiations.
I am trying to symbolically obtain the Euler-Lagrange equations, but I keep getting the "Second argument must be a variable or a...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Solve first order nonlinear ODE
Hello I am tryin to solve this nonlinear ODE with the IC This is my code tspan = [0 5]; x0 = 3; [t,x] = ode45(@(t,x) (...
mehr als 3 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
How to formulate the initial state vector for a BVP
If I have the following BVP, I am trying to solve, via shooting method. How would I formulate the state initial conditions given...
fast 4 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Using ODE45 to solve a system of 2nd order ODEs equation
I am trying to solve This is what I have written as my finction script. everytime I try to solve it once I type the initial ...
fast 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to design an LQR for a response hold given state-space representation?
Hello I have a state-space model. My task is to design a controller that performs a response hold ('h' in my SS) at 50. It perfo...
fast 4 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Adding annotations to Bode plots.
Hello I would like to add annotations to my bode plot exactly like Here is my code to the systems TF1=tf(1,[1 1]); TF2=tf...
fast 4 Jahre vor | 0 Antworten | 0